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M13 — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

M13: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: COPPER ALLOY 360 OVERALL, lens_type: FILTER, body_style: CYLINDRICAL BUSHING MOUNTED, bore_shape: STRAIGHT, body_length: 2.125 INCHES NOMINAL IN, shaft_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-183-6843, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ M13
NSN: 3110-00-183-6843
NIINs: 001836843, 002243653, 002308377, 002814044, 003274072, 003984579, 004505531, 005402425, 006702508, 007226304, 007563501, 007793334, 009953527, 012044326, 013764893, 014784702
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
lens_typeFILTER
body_styleCYLINDRICAL BUSHING MOUNTED
bore_shapeSTRAIGHT
body_length2.125 INCHES NOMINAL IN
shaft_styleROUND
stone_styleSHARPENING
bearing_typeSLEEVE SHAFT
model_numberM13
shaft_length0.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.750 INCHES NOMINAL IN
NSN3110-00-183-6843
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M13 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE
•
OVERALL OUTSIDE DIAMETER: 30.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE
OVERALL WIDTH7.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER30.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.3
BORE DIAMETER13.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 3
ND13-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
ND13X3AReference document
Same NSN cross-reference
Reference document — Secondary reference
ND13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M13?
M13 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace M13?
There are 3 known substitutes for M13: ND13-3, ND13X3A, ND13. Substitute compatibility should be verified for your specific system.
What is the NSN for M13?
M13 is cataloged in the U.S. Government catalog under NSN 3110-00-183-6843. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.